Asterisk powers IP PBX systems, VoIP gateways, conference servers and other custom solutions. It is used by small businesses, large businesses, call centers, carriers and government agencies, worldwide.
an IP PBX with many powerful features and applications; VoIP Gateways; Conferencing systems; and much, much more; supporting VoIP Phones as well as PSTN and POTS; speaking SIP, the most common VoIP protocol, among others; YouTube Videos¶ Systm 5 Episode on Asterisk (from 2006 - see Asterisk Wiki for current installation instructions) Official ...
Also known as a PBX, Unified Communications System or business phone system, a PBX acts as the central switching system for phone calls within a business. IP PBX systems handle internal traffic between stations and act as the gatekeeper to the outside world.
Asterisk offers both classical PBX functionality and advanced features, and interoperates with traditional standards-based telephony systems and Voice over IP systems. Asterisk offers the advanced features that are often associated with large, high end (and high cost) proprietary PBXs.
Sangoma offers turnkey IP PBX phone systems based on the Asterisk engine, which are administered through an easy-to-use graphical user interface (GUI), rather than raw configuration files and custom scripts.
FreePBX is a web-based open source GUI (graphical user interface) that controls and manages Asterisk (PBX), an open source communication server. FreePBX is licensed under the GNU General Public License (GPL), an open source license.
An IP Private Branch Exchange (PBX) is a specialized type of software that functions as the central hub of a business phone system. And a cloud solution is any software that is hosted on a remote server.
While it won't be anything to brag about, this basic PBX that you will build from Asterisk will help you learn the fundamentals of configuring Asterisk. For this exercise, we're going to assume that you have the following: